CN114183916A - Instant electric water heater and control method and storage medium thereof - Google Patents
Instant electric water heater and control method and storage medium thereof Download PDFInfo
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- CN114183916A CN114183916A CN202111437507.XA CN202111437507A CN114183916A CN 114183916 A CN114183916 A CN 114183916A CN 202111437507 A CN202111437507 A CN 202111437507A CN 114183916 A CN114183916 A CN 114183916A
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- 229910052782 aluminium Inorganic materials 0.000 description 4
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/16—Arrangements for water drainage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2028—Continuous-flow heaters
Abstract
The invention provides an instant electric water heater, a control method and a storage medium thereof, wherein the instant electric water heater comprises: the collector plate is used for collecting wastewater; and the semiconductor heat exchange mechanism is arranged on one side of the collector plate and is communicated with the collector plate. The collector plate is arranged, so that waste water can be collected and guided into the semiconductor heat exchange mechanism, waste heat of the waste water is recycled, and the waste water is collected by the collector plate, so that the waste water is only required to be installed on a bottom plate of a toilet, an additional pump body is not required to be configured, the space of the toilet is not additionally occupied, and energy is saved; through setting up semiconductor heat transfer mechanism, and then have the refrigeration simultaneously and heat the function, the operating voltage is low, requires lowly to the circuit, avoids the electric shock risk to the energy efficiency ratio is far above 1, and response speed is fast, can reach and open promptly and use promptly, does not have the scale deposit problem, and is convenient for install and maintain, and the accuse temperature is accurate, with low costs and long service life.
Description
Technical Field
The invention relates to the technical field of energy, in particular to an instant electric water heater, a control method thereof and a storage medium.
Background
The water heater is an important electric appliance commonly used in the current family life, and the current water heater mainly provides hot water service for the family life in an electric heating mode, a solar heating mode or a gas heating mode; the current household water heaters mainly comprise the following components: gas heating type, resistance heating type, solar heating type and air heating type water heaters. However, natural gas or coal gas is additionally provided in the gas heating type, and when the natural gas or the coal gas is combusted in the use process, waste gas with certain toxicity such as CO and CO2 is often generated, so that a certain poisoning risk is caused; moreover, the gas water heater has certain requirements on the water pressure of the water inlet, and the low water pressure easily causes flameout, so that incomplete combustion is caused, more waste gas is further generated, and energy is wasted. The resistance heating type water heater comprises a water tank type and an instant heating type; the water tank type water heater is generally provided with a large-volume water tank for storing hot water, so that precious toilet space is occupied, the water tank can generate scale after being used for a long time, the water outlet and the service life are influenced, meanwhile, the heating process is slow through resistance electric heating, the water tank cannot be opened and used instantly, heat is completely transferred from electric energy to heat energy, in addition, the water tank transfers heat to the surrounding environment in the standby process, the energy loss cannot be avoided, the energy efficiency ratio is lower than 1, and energy is wasted; resistance heating's instant heating type water heater mainly is accomplished by powerful resistance direct heating water body, do not join in marriage the storage water tank, it heats the flowing water at the water inlet through using high-power circuit, reach the purpose of opening promptly and using promptly, the instant heating type water heater heat of same resistance heating comes from electric energy conversion completely and is heat energy, the energy efficiency ratio is less than 1, and under low temperature environment, it is extremely restricted to go out the water temperature, lead to the little use of water yield and experience poorly, and simultaneously, resistance heating's instant heating type water heater of current market, the general more than or equal to 8KW of unit power, high to the requirement of safety circuit, certain danger still has. The solar water heater uses solar energy to heat, is provided with a water storage tank to store hot water, has large influence on the water temperature due to weather, is limited by single-day water, needs a bucket with a large volume to store hot water, is only suitable for being installed by users with sufficient sunshine in a top floor, has no value of general popularization in cities with dense population, and has the problem of high single investment cost. The air can the water heater uses the mechanical heat pump principle of air conditioner, through mechanical pump compression acting, heats the aquatic with the heat pump pumping in the air, and the air can the water heater need be equipped with large-scale storage water tank and compressor, and the compressor need be placed in the outer wall, carries out the heat exchange through pipeline and water tank UNICOM, however, has bulky equally, and mechanical wear and noise are big during compressor work, and whole system architecture is complicated, and is expensive, maintains the trouble.
In conclusion, the electric water heater in the prior art has the problems of low energy efficiency ratio, large occupied space, high danger risk, heating, refrigerating and waste heat energy utilization.
Accordingly, the prior art has shortcomings and drawbacks that require further improvement and development.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an instant electric water heater, a control method thereof and a storage medium thereof, and aims to solve the problems that the electric water heater in the prior art is low in energy efficiency ratio, large in occupied space, high in danger risk, only capable of heating and not capable of refrigerating, and incapable of utilizing waste heat energy in waste water.
The technical scheme adopted by the invention for solving the technical problem is as follows: an electric tankless water heater, comprising:
the flow collecting plate is used for collecting wastewater;
the semiconductor heat exchange mechanism is arranged on one side of the collector plate and communicated with the collector plate.
Further, the semiconductor heat exchange mechanism comprises:
the semiconductor device comprises a heat-insulation protective shell, a semiconductor mounting cavity and a waste water channel are sequentially arranged on the heat-insulation protective shell from bottom to top, wherein the waste water channel is communicated with a flow collecting plate, and the water supply channel is provided with a water inlet and a water outlet;
the thermoelectric semiconductor refrigerating piece is arranged in the semiconductor mounting cavity;
the first temperature sensor is arranged at the water inlet;
the second temperature sensor is arranged at the water outlet;
and the flowmeter is arranged at the water outlet.
Further, a water supply cooling fin is arranged in the water supply channel;
and a wastewater radiating fin is arranged in the wastewater channel.
Further, the heat preservation protective housing still includes:
the first heat-conducting partition plate is arranged between the water supply channel and the semiconductor mounting cavity;
the second heat-conducting partition plate is arranged between the wastewater channel and the semiconductor mounting cavity;
the upper surface of the thermoelectric semiconductor refrigeration piece is in contact with the second heat-conducting partition plate, and the lower surface of the thermoelectric semiconductor refrigeration piece is in contact with the first heat-conducting partition plate.
Further, the current collecting plate includes:
the flow collecting plate body is provided with a plurality of flow guide grooves and water collecting grooves connected with the flow guide grooves, and the water collecting grooves are communicated with the wastewater channel;
the adjustable supporting legs are arranged at one ends, deviating from the heat preservation protective shell, of the current collecting plate bodies.
Furthermore, the collector plate body and the mounting surface form an included angle of 0-10 degrees.
Further, the instant electric water heater further includes: and the power supply electric control display mechanism is connected with the semiconductor heat exchange mechanism.
Further, the power supply electronic control display mechanism comprises:
the input end of the main power supply is connected with the mains supply;
the single chip microcomputer is connected with the output end of the main power supply;
the display and control assembly is connected between the output end of the main power supply and the single chip microcomputer;
one end of the power controller is connected with the semiconductor heat exchange mechanism, and the other end of the power controller is respectively connected with the output end of the main power supply and the single chip;
one end of the first temperature feedback circuit is connected between the single chip microcomputer and the semiconductor heat exchange mechanism;
one end of the second temperature feedback circuit is connected between the single chip microcomputer and the semiconductor heat exchange mechanism;
and the temperature control circuit is sequentially connected with the single chip microcomputer, the power supply controller and the semiconductor heat exchange mechanism.
The technical scheme adopted by the invention for solving the technical problem is as follows: a control method of the instant electric water heater as described above, comprising:
starting the instant electric water heater and setting the water outlet set temperature TSAnd obtaining the inlet water temperature T of the water inlet1；
According to the TSAnd T1Calculating Δ T1＝TS-T1；
When the said Δ T1When the value is positive, the instant electric water heater is controlled to enter a heating mode, or when the delta T is greater than the preset value1When the value is a negative value, controlling the instant electric water heater to enter a refrigeration mode;
obtaining real-time temperature T of water outlet2And outlet flow data, and according to TSAnd T2Calculating Δ T2＝TS-T1；
When the said Δ T2When the current value is positive, controlling the instant electric water heater to increase the running power according to the outlet flow data, or when the delta T is positive2And when the value is a negative value, controlling the instant electric water heater to reduce the running power according to the outlet flow data.
The technical scheme adopted by the invention for solving the technical problem is as follows: a storage medium, characterized in that the storage medium stores a computer program executable for implementing the control method of an electric quick-heating water heater as described above.
The invention provides an instant electric water heater, a control method and a storage medium thereof, wherein the instant electric water heater comprises: the flow collecting plate is used for collecting wastewater; the semiconductor heat exchange mechanism is arranged on one side of the collector plate and communicated with the collector plate. The flow collecting plate is arranged, so that waste water can be collected and guided into the semiconductor heat exchange mechanism, waste heat of the waste water is recycled, and the waste water is collected by the flow collecting plate, so that the waste water is only required to be installed on a bottom plate of a toilet, an additional pump body is not required to be configured, the toilet space is not additionally occupied, and energy is saved; through setting up semiconductor heat transfer mechanism, and then have the refrigeration simultaneously and heat the function, the operating voltage is low, requires lowly to the circuit, avoids the electric shock risk to the energy efficiency ratio is far above 1, and response speed is fast, can reach and open promptly and use promptly, does not have the scale deposit problem, and is convenient for install and maintain, and the accuse temperature is accurate, with low costs and long service life.
Drawings
FIG. 1 is a schematic cross-sectional view of an electric instant heating water heater provided in the present invention;
FIG. 2 is a functional schematic block diagram of an instantaneous electric water heater provided in the present invention;
FIG. 3 is a schematic side view of an electric tankless water heater provided in the present invention;
FIG. 4 is a schematic perspective view of an electric instant heating water heater provided in the present invention;
FIG. 5 is a flow chart illustrating a method for controlling an instantaneous electric water heater provided in the present invention;
description of reference numerals:
10. an instant electric water heater; 11. a collector plate; 12. a semiconductor heat exchange mechanism; 13. a power supply electric control display mechanism; 111. a collector plate body; 112. a diversion trench; 113. a water collection tank; 114. an adjustable support leg; 121. a heat preservation protective shell; 122. a thermoelectric semiconductor refrigeration chip; 123. a first temperature sensor; 124. a second temperature sensor; 125. a flow meter; 126. a first thermally conductive spacer; 127. a second thermally conductive spacer; 1211. a water supply channel; 1212. a semiconductor mounting cavity; 1213. a waste water channel; 1215. a water inlet; 1216. a water outlet; 1217. a water supply heat sink; 1218. a water supply wastewater radiating fin; 131. a main power supply; 132. a single chip microcomputer; 133. a display and control assembly; 134. a power supply controller; 135. a first temperature feedback circuit; 136. a second temperature feedback circuit; 137. a display; 138. a controller; 139. a temperature control circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The water heater is an important electric appliance commonly used in the current family life, and the current water heater mainly provides hot water service for the family life in an electric heating mode, a solar heating mode or a gas heating mode; the current household water heaters mainly comprise the following components: gas heating type, resistance heating type, solar heating type and air heating type water heaters. However, natural gas or coal gas is additionally provided in the gas heating type, and when the natural gas or the coal gas is combusted in the use process, waste gas with certain toxicity such as CO and CO2 is often generated, so that a certain poisoning risk is caused; moreover, the gas water heater has certain requirements on the water pressure of the water inlet, and the low water pressure easily causes flameout, so that incomplete combustion is caused, more waste gas is further generated, and energy is wasted. The resistance heating type water heater comprises a water tank type and an instant heating type; the water tank type water heater is generally provided with a large-volume water tank for storing hot water, so that precious toilet space is occupied, the water tank can generate scale after being used for a long time, the water outlet and the service life are influenced, meanwhile, the heating process is slow through resistance electric heating, the water tank cannot be opened and used instantly, heat is completely transferred from electric energy to heat energy, in addition, the water tank transfers heat to the surrounding environment in the standby process, the energy loss cannot be avoided, the energy efficiency ratio is lower than 1, and energy is wasted; resistance heating's instant heating type water heater mainly is accomplished by powerful resistance direct heating water body, do not join in marriage the storage water tank, it heats the flowing water at the water inlet through using high-power circuit, reach the purpose of opening promptly and using promptly, the instant heating type water heater heat of same resistance heating comes from electric energy conversion completely and is heat energy, the energy efficiency ratio is less than 1, and under low temperature environment, it is extremely restricted to go out the water temperature, lead to the little use of water yield and experience poorly, and simultaneously, resistance heating's instant heating type water heater of current market, the general more than or equal to 8KW of unit power, high to the requirement of safety circuit, certain danger still has. The solar water heater uses solar energy to heat, is provided with a water storage tank to store hot water, has large influence on the water temperature due to weather, is limited by single-day water, needs a bucket with a large volume to store hot water, is only suitable for being installed by users with sufficient sunshine in a top floor, has no value of general popularization in cities with dense population, and has the problem of high single investment cost. The air can the water heater uses the mechanical heat pump principle of air conditioner, through mechanical pump compression acting, heats the aquatic with the heat pump pumping in the air, and the air can the water heater need be equipped with large-scale storage water tank and compressor, and the compressor need be placed in the outer wall, carries out the heat exchange through pipeline and water tank UNICOM, however, has bulky equally, and mechanical wear and noise are big during compressor work, and whole system architecture is complicated, and is expensive, maintains the trouble. In conclusion, the electric water heater in the prior art has the problems of low energy efficiency ratio, large occupied space, high danger risk, heating, refrigerating and waste heat energy utilization.
The invention provides an instant electric water heater, a control method and a storage medium thereof based on the problems that the electric water heater in the prior art has low energy efficiency ratio, large occupied space, high risk, can only heat and can not refrigerate and can not utilize the waste heat energy in the waste water, the instant electric water heater can collect the waste water and guide the waste water into a semiconductor heat exchange mechanism by arranging a flow collecting plate, thereby realizing the waste heat reutilization of the waste water, and the flow collecting plate collects the waste water, so that the instant electric water heater can be only installed on a bottom plate of a toilet, does not need to be provided with an additional pump body, can not additionally occupy the space of the toilet and saves the energy; by arranging the semiconductor heat exchange mechanism, the refrigerator has the functions of refrigeration and heating, has low working voltage, low requirement on a circuit, avoids electric shock risk, has an energy efficiency ratio far higher than 1, has high response speed, can be used immediately after being opened, does not have the problem of scaling, and is convenient to install and maintain; for details, reference will be made to the following embodiments.
Referring to fig. 1 to 4, a first embodiment of the present invention provides an instant electric water heater 10, which includes: a collector plate 11 and a semiconductor heat exchange mechanism 12; the collecting plate 11 is used for collecting waste water; the semiconductor heat exchange mechanism 12 is arranged on one side of the collector plate 11, and the semiconductor heat exchange mechanism 12 is communicated with the collector plate 11.
The collector plate 11 is arranged, so that waste water can be collected and guided into the semiconductor heat exchange mechanism 12, waste heat of the waste water is recycled, and the waste water is collected by the collector plate 11, so that the waste water is only required to be installed on a bottom plate of a toilet, an additional pump body is not required to be configured, the space of the toilet is not additionally occupied, and energy is saved; through setting up semiconductor heat transfer mechanism 12, and then possess simultaneously and refrigerate and heat the function, the operating voltage is low, and is low to the circuit requirement, avoids the electric shock risk to the energy efficiency ratio is far above 1, and response speed is fast, can reach and open promptly to use, does not have the scale deposit problem, and is convenient for install and maintain, and the accuse temperature is accurate, with low costs and long service life.
In other embodiments, the semiconductor heat exchanging mechanism 12 comprises: the temperature control device comprises a heat preservation protective shell 121, a thermoelectric semiconductor refrigeration piece 122, a first temperature sensor 123, a second temperature sensor 124 and a flow meter 125; a water supply channel 1211, a semiconductor mounting cavity 1212 and a waste water channel 1213 are sequentially arranged on the thermal insulation protective shell 121 from bottom to top, wherein the waste water channel 1213 is communicated with the collector plate 11, and the water supply channel 1211 is provided with a water inlet 1215 and a water outlet 1216; the thermoelectric semiconductor refrigeration piece 122 is arranged in the semiconductor mounting cavity 1212; the first temperature sensor 123 is disposed at the water inlet 1215; the second temperature sensor 124 is disposed at the water outlet 1216; the flow meter 125 is disposed at the water outlet 1216.
It can be understood that the semiconductor heat exchanging mechanism 12 utilizes the thermoelectric semiconductor cooling fins 122 to perform cooling and heating, and only needs to switch the positive and negative electrodes of the thermoelectric semiconductor cooling fins 122 to supply power, so that the thermoelectric semiconductor cooling fins 122 can be controlled to switch the cooling mode and the heating mode; by arranging the heat-insulating protective shell 121, the heat loss of the thermoelectric semiconductor refrigeration piece 122 can be effectively reduced, and the energy efficiency ratio of the instant electric water heater 10 is improved; meanwhile, the thermoelectric semiconductor refrigerating piece 122 is protected, and the service life of the thermoelectric semiconductor refrigerating piece 122 is prolonged; furthermore, a water supply channel 1211, a semiconductor mounting cavity 1212 and a waste water channel 1213 are arranged on one side of the thermal insulation protective shell 121 from bottom to top, so as to collect and utilize waste heat in waste water, and provide a guarantee for the thermoelectric semiconductor refrigeration piece 122 to preheat and pump waste water into the supply water; the first temperature sensor 123 and the second temperature sensor 124 are arranged to provide guarantee for realizing water temperature detection, and the flow meter 125 is arranged to provide guarantee for effectively detecting the water quantity of the instant electric water heater 10; one end of the water supply passage 1211 is connected to a water supply network, and the other end of the water supply passage 1211 is connected to a water spray.
In other preferred embodiments, water supply fins 1217 are provided in the water supply passage 1211; a waste water radiating fin is arranged in the waste water channel 1213.
It can be understood that by providing the water supply cooling fins 1217 in the water supply passage 1211, the heat exchange efficiency of the water flow in the water supply pipeline can be improved, and the energy efficiency ratio of the thermoelectric semiconductor cooling fins 122 can be further ensured; it should be noted that, in the present invention, the structures and the arrangement manners of the water supply cooling fins 1217 and the waste water cooling fins are not limited, and only the heat exchange efficiency needs to be improved. Further, the water supply radiating fins 1217 and the waste water radiating fins are all provided with copper sheets, aluminum sheets and iron sheets.
In other embodiments, the thermal protective case 121 further includes: a first thermally conductive spacer 126 and a second thermally conductive spacer 127; the first heat conductive spacer 126 is disposed between the water supply passage 1211 and the semiconductor mounting cavity 1212; the second thermal barrier 127 is disposed between the waste channel 1213 and the semiconductor mounting cavity 1212; the upper surface of the thermoelectric semiconductor chilling plate 122 is in contact with the second heat-conducting partition 127, and the lower surface of the thermoelectric semiconductor chilling plate 122 is in contact with the first heat-conducting partition 126.
It can be understood that by arranging the first heat-conducting partition plate 126 and the second heat-conducting partition plate 127, the heat exchange efficiency between the waste water, the thermoelectric semiconductor refrigeration chip 122 and the water supply can be improved, and the energy efficiency ratio of the instant electric water heater 10 can be further improved. It should be noted that the waste water channel 1213 and the first heat-conducting partition plate may be disposed as a waste water tank, that is, the waste water channel 1213 may be opened at the top surface, so as to further facilitate the collection and utilization of waste water, and the water tank is also made of heat-conducting materials such as copper, aluminum, iron, and the like, and the bottom of the water tank contacts with the upper surface of the thermoelectric semiconductor refrigeration chip 122.
In some embodiments, the current collecting plate 11 includes: a collector plate 11 body and adjustable legs 114; a plurality of diversion trenches 112 and water collection grooves 113 connected with the diversion trenches 112 are formed in the collector plate 11 body, and the water collection grooves 113 are communicated with the wastewater channel 1213; the adjustable supporting leg 114 is disposed at an end of the collector plate 11 deviating from the thermal insulation protective shell 121. Furthermore, the collector plate 11 body and the mounting surface form an included angle of 0-10 degrees.
It can be understood that the plurality of flow guide grooves 112 are formed in the collector plate 11, so that waste water can be effectively collected, and then the water collection grooves 113 are formed, so that the waste water in the plurality of flow guide grooves 112 can be guided and conveyed to the waste water channel 1213 or the waste water groove, so that the waste water is ensured to flow through the semiconductor heat exchange mechanism 12 in the same direction, and the waste heat in the waste water is ensured to be fully utilized; meanwhile, through the arrangement of the adjustable supporting legs, the included angle between the collector plate 11 and the mounting surface (the toilet floor) up to now can be adjusted through the adjustable supporting legs, so that the diversion trench 112 can guide waste water into the semiconductor heat exchange mechanism 12 conveniently.
In other embodiments, the tankless electric water heater 10 further includes: the power supply electronic control display mechanism 13 is connected with the semiconductor heat exchange mechanism 12; the electric control display mechanism 13 of the power supply comprises: the temperature control device comprises a main power supply 131, a single chip microcomputer 132, a display and control assembly 133, a power supply controller 134, a first temperature feedback circuit 135, a second temperature feedback circuit 136 and a temperature control circuit 139; the input end of the main power supply 131 is connected with the mains supply; the singlechip 132 is connected with the output end of the main power supply 131; the display and control component 133 is connected between the output end of the main power supply 131 and the single chip microcomputer 132; one end of the power controller 134 is connected with the semiconductor heat exchange mechanism 12, and the other end of the power controller 134 is respectively connected with the output end of the main power supply 131 and the single chip; one end of the first temperature feedback circuit 135 is connected between the single chip 132 and the semiconductor heat exchange mechanism 12; one end of the second temperature feedback circuit 136 is connected between the single chip 132 and the semiconductor heat exchange mechanism 12; the temperature control circuit 139 is connected to the single chip 132, the power controller 134 and the semiconductor heat exchange mechanism 12 in sequence.
It can be understood that the power supply electronic control display mechanism 13 is used for displaying the inlet water temperature, the outlet water temperature and the outlet set temperature of the instant electric water heater 10, and is also used for controlling the operation process of the semiconductor heat exchange mechanism 12; specifically, the main power supply 131 supplies power to all power utilization structures, the display and control assembly 133 specifically includes a display 137 and a control assembly, the display device is used for displaying the water inlet temperature, the water outlet temperature and the set temperature, and the control assembly is used for setting the set temperature of the water outlet; the single chip microcomputer 132 (microcomputer) is provided with a plurality of ports which are respectively connected with the main power supply 131, the display and control component 133, the power supply controller 134, the first temperature feedback circuit 135 and the second temperature feedback circuit 136; the power controller 134 is a variable voltage frequency converter and is configured to control switching of positive and negative electrodes of two thermoelectric semiconductor cooling plates 122, so as to control switching of heating and cooling modes of the thermoelectric semiconductor cooling plates 122, and control power of the thermoelectric semiconductor cooling plates 122, so as to control strength of cooling and heating of the thermoelectric semiconductor cooling plates 122; by arranging the first temperature feedback circuit 135 and the second temperature feedback circuit, the water inlet temperature and the water outlet temperature of the instant electric water heater 10 can be effectively detected; specifically, the first temperature feedback circuit 135 is connected to the first temperature sensor 123, and the second temperature feedback circuit 136 is connected to the second temperature sensor 124; the flow meter 125 is disposed at the water outlet 1216, and is used for detecting water flow; after receiving the temperature data fed back by the first temperature feedback circuit 135 and the second temperature feedback circuit 136, the single chip microcomputer 132 sends the temperature data and the flow data to the power controller 134 through the temperature control circuit 139 via corresponding power data and operation data, and the power controller 134 controls the operation of the thermoelectric semiconductor cooling fins 122.
In some specific embodiments, the instant electric water heater 10 includes a current collecting plate 11, a semiconductor heat exchanging mechanism 12 and a power supply electronic control display mechanism 13; the power supply electronic control display mechanism 13 is connected with and controls the semiconductor heat exchange mechanism 12 to operate, the collector plate 11 is used for collecting waste water and guiding the waste water into the semiconductor heat exchange mechanism 12 for preheating and recycling, the semiconductor heat exchange mechanism 12 pumps the preheating water in the waste water into water supply, and meanwhile, the semiconductor heat exchange mechanism 12 heats the water supply or cools the water supply, so that the energy efficiency ratio of the instant electric water heater 10 is guaranteed.
The semiconductor heat exchanging mechanism 12 includes: the temperature control device comprises a heat preservation protective shell 121, a thermoelectric semiconductor refrigeration piece 122, a first temperature sensor 123, a second temperature sensor 124 and a flow meter 125; a water supply channel 1211, a semiconductor mounting cavity 1212 and a waste water channel 1213 are sequentially arranged on the heat preservation protective shell 121 from bottom to top; the waste water channel 1213 is communicated with the collector plate 11, the water supply channel 1211 is provided with a water inlet 1215 and a water outlet 1216, and the water supply channel 1211 is provided with water supply cooling fins 1217; a waste water cooling fin is arranged in the waste water channel 1213, and the thermoelectric semiconductor chilling plate 122 is arranged in the semiconductor mounting cavity 1212; the first temperature sensor 123 is disposed at the water inlet 1215; the second temperature sensor 124 is disposed at the water outlet 1216; the flow meter 125 is disposed at the water outlet 1216; the heat preservation protective case 121 further includes: a first thermally conductive spacer 126 and a second thermally conductive spacer 127; the first heat conductive spacer 126 is disposed between the water supply passage 1211 and the semiconductor mounting cavity 1212; the second thermal barrier 127 is disposed between the waste channel 1213 and the semiconductor mounting cavity 1212; wherein the upper surface of the thermoelectric semiconductor chilling plate 122 is disposed in contact with the second heat-conducting partition 127, and the lower surface of the thermoelectric semiconductor chilling plate 122 is disposed in contact with the first heat-conducting partition 126; the current collecting plate 11 includes: a collector plate 11 body and adjustable legs 114; a plurality of diversion trenches 112 and water collection grooves 113 connected with the diversion trenches 112 are formed in the collector plate 11 body, and the water collection grooves 113 are communicated with the wastewater channel 1213; the adjustable supporting leg 114 is disposed at an end of the collector plate 11 deviating from the thermal insulation protective shell 121. Furthermore, the collector plate 11 body and the mounting surface form an included angle of 0-10 degrees. The instant electric water heater 10 further includes: the power supply electronic control display mechanism 13 is connected with the semiconductor heat exchange mechanism 12; the electric control display mechanism 13 of the power supply comprises: the temperature control circuit comprises a main power supply 131, a single chip microcomputer 132, a display and control assembly 133, a power supply controller 134, a first temperature feedback circuit 135 and a second temperature feedback circuit 136; the input end of the main power supply 131 is connected with the mains supply; the singlechip 132 is connected with the output end of the main power supply 131; the display and control component 133 is connected between the output end of the main power supply 131 and the single chip microcomputer 132; one end of the power controller 134 is connected with the semiconductor heat exchange mechanism 12, and the other end of the power controller 134 is respectively connected with the output end of the main power supply 131 and the single chip; one end of the first temperature feedback circuit 135 is connected between the single chip 132 and the semiconductor heat exchange mechanism 12; one end of the second temperature feedback circuit 136 is connected between the single chip 132 and the semiconductor heat exchanging mechanism 12.
The thermoelectric semiconductor refrigeration piece 122 realizes the control of the heating mode and the power by the mode of converting the current, the voltage and the frequency of a power controller 134 (a variable frequency transformer); the heat preservation protective shell 121 is used for insulating heat, insulating heat and supporting the semiconductor heat exchange mechanism 12; the water supply passage 1211 corresponds to a water supply pipe, includes a heat dissipation fin, guides water from the water inlet 1215 to the water outlet 1216, and exchanges heat with the thermoelectric semiconductor refrigeration chip 122, so that the water supply is heated or refrigerated; the water inlet 1215 is connected with a tap water pipe to introduce running water, and the water outlet 1216 is connected with a shower head to output water with adjusted temperature; the heat radiating fins (the water supply heat radiating fin 1217 and the wastewater heat radiating fin) are made of high-heat-conductivity materials, comprise copper sheets, aluminum sheets and iron sheets, are connected with the lower surfaces of the semiconductor refrigerating fins and are used for direct heat exchange between the thermoelectric semiconductor refrigerating fins 122 and a water body; the water tank (the waste water channel 1213) is made of high-heat-conductivity materials, comprises copper sheets, aluminum sheets and iron sheets, is connected with the upper surface of the semiconductor refrigerating sheet, is in contact with the waste water used by the water heater, and is positioned at the water inlet 1215 and the water outlet 1216 of the water supply channel 1211 of the semiconductor heat exchange mechanism 12 and used for collecting the water temperature of the water inlet 1215 and the water temperature of the water outlet 1216, wherein the temperature measurement range is 0-80 ℃; the temperature data (the first temperature sensor 123 and the second temperature sensor 124) is fed back to the single chip microcomputer 132 (microcomputer) through the first temperature feedback circuit 135 and the second temperature feedback circuit 136; the flow measurement range of the flow meter 125 is 0-10 Kg/s; the single chip microcomputer 132 is configured to control a heating manner and heating power of the thermoelectric semiconductor cooling plate 122, and also configured to set a heating temperature, that is, a water outlet set temperature, receive temperature data of the temperature sensor, and control operation of the thermoelectric semiconductor cooling plate 122 according to the temperature data and flow; when the temperature of the water inlet 1215 is higher than the set temperature, the control power supply controller 134 controls the working mode of the thermoelectric semiconductor refrigeration piece 122 to be a refrigeration mode, the heat of the water in the water supply pipeline is pumped into the wastewater in the upper surface water tank through the thermoelectric refrigeration piece, and the heat exchange power is controlled according to the temperature difference and the water flow. The display and control assembly 133 comprises a controller 138 and a display 137, the controller 138 is used for setting the water outlet set temperature, the display 137 is used for displaying the water inlet temperature, the water outlet temperature and the water outlet set temperature, and further, the display 137 can also display information such as water flow and the like. When the temperature of the water inlet 1215 is higher than the set temperature, the control power supply controller 134 controls the working mode of the thermoelectric semiconductor refrigeration piece 122 to be a heating mode, the waste heat of the waste water in the upper surface of the thermoelectric semiconductor refrigeration piece 122 and the waste water channel 1213 is pumped into the water supply in the water supply channel 1211, and the power of the heat pump is controlled according to the water outlet and the water flow; the power controller 134 converts the 220V commercial power into 5-36V direct current, and the power controller 134 controls the magnitude of the current output to be 0-500 amperes.
Referring to fig. 5, in a second embodiment of the present invention, a control method of an instant electric water heater is provided, that is, the control method of the instant electric water heater in the first implementation of the present invention includes:
step S110, starting the instant electric water heater and setting a water outlet set temperature TSAnd obtaining the inlet water temperature T of the water inlet1；
Step S120, according to the TSAnd T1Calculating Δ T1＝TS-T1；
Step S130, when the delta T is reached1When the value is positive, the instant electric water heater is controlled to enter a heating mode, or when the delta T is greater than the preset value1When the value is negative, controlControlling the instant electric water heater to enter a refrigeration mode;
step S140, obtaining the real-time temperature T of the water outlet2And outlet flow data, and according to TSAnd T2Calculating Δ T2＝TS-T1；
Step S150, when the delta T is reached2When the current value is positive, controlling the instant electric water heater to increase the running power according to the outlet flow data, or when the delta T is positive2And when the value is a negative value, controlling the instant electric water heater to reduce the running power according to the outlet flow data.
It can be understood that the control method of the instant electric water heater provided in this embodiment can control the thermoelectric semiconductor chilling plate to heat, can control the thermoelectric semiconductor chilling plate to chill, and can control the operating power of the thermoelectric semiconductor chilling plate; during operation, firstly, the temperature T is set according to the set water outletSAnd obtaining the inlet water temperature T of the water inlet1Judging the operation heating or refrigerating mode of the instant electric water heater according to the size relationship; then, according to the real-time temperature T of the water outlet2And the set temperature T of the water outletSJudging whether the instant electric water heater needs power regulation or not, and calculating the real-time water outlet temperature T of the water flow according to the water outlet flow detected by the flowmeter at the water outlet and the specific heat of the water body when the power is regulated2Adjust to the TSThen, the value of the power to be increased or decreased can be obtained according to the heat value; it should be noted that, for a problem of a water body with a known flow rate, when the temperature rises to a certain temperature, calculation of required heat and calculation of corresponding electric power are prior art, and this application is only directly applied, and details are not described in detail.
In some embodiments, the inlet water temperature T1The flow rate was 0.1Kg/s at 20 ℃. After the instant electric water heater is started, setting the set temperature Ts of a water outlet to be 35 ℃; the first temperature sensor detects the inlet temperature T1Less than Ts, Δ T1At 15 ℃ being a positive value, controllingAnd the thermoelectric semiconductor refrigerating piece enters a strong heating mode, a relevant instruction is sent to the power supply controller, the power supply controller controls the positive and negative poles of the output current, and the thermoelectric semiconductor refrigerating piece starts to work at full power.
Meanwhile, the thermoelectric semiconductor refrigerating piece absorbs waste heat from waste water in a waste water channel (water tank) on the upper surface, the waste heat is pumped to the lower surface to heat running water in a water supply channel, the temperature of the water in the water supply channel is increased after the water is heated by the radiating fins, and the water flows out of the water outlet and enters the shower head. The second temperature sensor detects the water outlet temperature T2Rising and feeding back to a single chip microcomputer according to T2And Ts to temperature difference Δ T2And reducing, calculating the required power by combining the water outlet flow data, sending a related instruction to the power supply control module, and adjusting the output power by the thermoelectric semiconductor refrigerating chip according to the instruction.
After the water in the gondola water faucet sprays the use, collects through the collector plate, by the basin flow direction water inlet one side of semiconductor heat transfer mechanism's delivery port one side, hot waste water is at the basin flow in-process, through semiconductor refrigeration piece heat transfer, returns the new water that advances of refrigeration piece lower surface with the high-efficient pump of used heat in the waste water, and waste water in the basin is by the lower mouth of a river direct discharge of intaking side after the heat is siphoned away. The initial power of the thermoelectric semiconductor refrigerating piece is 1Kw, and the thermoelectric semiconductor refrigerating piece is mainly used for absorbing waste heat from waste water in a waste water channel on the upper surface of the thermoelectric semiconductor refrigerating piece; and then, the waste water after heat absorption flows away, the high-temperature water on the lower surface flows back to the water tank through the shower head and the current collecting plate, the waste heat is reused, the power is reduced to 500W, and the high-efficiency cyclic utilization of heat energy is realized through the semiconductor.
The control method of the instant electric water heater can realize the reutilization of waste heat of waste water, and the flow collecting plate collects the waste water, so that the waste water is only required to be installed on a bottom plate of a toilet, an additional pump body is not required to be configured, the space of the toilet is not additionally occupied, and the energy is saved; through setting up semiconductor heat transfer mechanism, and then have the refrigeration simultaneously and heat the function, the operating voltage is low, requires lowly to the circuit, avoids the electric shock risk to the energy efficiency ratio is far above 1, and response speed is fast, can reach and open promptly and use promptly, does not have the scale deposit problem, and is convenient for install and maintain, and the accuse temperature is accurate, with low costs and long service life.
In some embodiments, the inlet water temperature T1The flow rate was 0.15Kg/s at 25 ℃. After the instant electric water heater is started, the set temperature Ts of the water outlet is set to be 35 ℃. The first temperature sensor detects T1Below Ts, said Δ T1The temperature is 10 ℃, the temperature is positive, the single chip microcomputer controls the power supply controller to control the thermoelectric semiconductor refrigerating sheet to enter a heating mode, the single chip microcomputer sends related instructions to the power supply controller, the power supply controller controls the positive electrode and the negative electrode of output current, and the thermoelectric semiconductor refrigerating sheet starts to work at full power.
Meanwhile, the thermoelectric semiconductor refrigerating piece absorbs waste heat from waste water in a waste water channel (water tank) on the upper surface, the waste heat is pumped to the lower surface to heat running water in a water supply channel, the temperature of the water in the water supply channel is increased after the water is heated by the radiating fins, and the water flows out of the water outlet and enters the shower head. The second temperature sensor detects the water outlet temperature T2Rising and feeding back to a single chip microcomputer according to T2And Ts to temperature difference Δ T2And reducing, calculating the required power by combining the water outlet flow data, sending a related instruction to the power supply control module, and adjusting the output power by the thermoelectric semiconductor refrigerating chip according to the instruction.
After the water in the gondola water faucet sprays the use, collects through the collector plate, by the basin flow direction water inlet one side of semiconductor heat transfer mechanism's delivery port one side, hot waste water is at the basin flow in-process, through semiconductor refrigeration piece heat transfer, returns the new water that advances of refrigeration piece lower surface with the high-efficient pump of used heat in the waste water, and waste water in the basin is by the lower mouth of a river direct discharge of intaking side after the heat is siphoned away. The initial power of the thermoelectric semiconductor refrigerating piece is 1Kw, and the thermoelectric semiconductor refrigerating piece is mainly used for absorbing waste heat from waste water in a waste water channel on the upper surface of the thermoelectric semiconductor refrigerating piece; and then, the waste water after heat absorption flows away, the high-temperature water on the lower surface flows back to the water tank through the shower head and the current collecting plate, the waste heat is reused, the power is reduced to 500W, and the high-efficiency cyclic utilization of heat energy is realized through the semiconductor.
In other embodiments, the temperature of the feed water T1At 35 ℃ and at a flow rate of 0.1 Kg/s. After the semiconductor type instant water heater is started, the set temperature T of the water outlet is setSIs 30 degrees celsius. The first temperature sensor detects the temperature T1Above Ts, temperature difference Δ T1And the negative value is-5, the single chip microcomputer controls the thermoelectric semiconductor refrigerating piece to enter a strong refrigerating mode through the power controller, the single chip microcomputer sends related instructions to the power controller, the power controller controls the positive electrode and the negative electrode of output current, and the thermoelectric semiconductor refrigerating piece starts to work at full power.
Meanwhile, the thermoelectric semiconductor refrigerating piece absorbs heat from flowing water in the water supply channel at the lower surface and pumps the heat into waste water in the waste water channel at the upper surface, and water in the water supply channel is cooled by the radiating fins, then the temperature of the water is reduced, and the water flows out of the water outlet and enters the shower head. The second temperature sensor detects the water outlet temperature T2Reducing and feeding back to the single chip microcomputer according to T2And Ts to temperature difference Δ T2And reducing and combining the water outlet flow data, calculating the required power, sending a related instruction to the power controller, and adjusting the output power by the thermoelectric semiconductor refrigerating sheet according to the instruction.
After the water in the gondola water faucet sprays the use, collects through the collector plate, flows to water inlet one side by delivery port one side of semiconductor heat transfer mechanism, and hot water flows the in-process at waste water passageway, process thermoelectric semiconductor refrigeration piece heat transfer will flow the heat pump of aquatic to making in the waste water of the upper surface department of thermoelectric semiconductor refrigeration piece, the waste water after being heated is directly discharged by the water inlet side. The initial power of the instant electric water heater is 1KW, and the instant electric water heater is mainly used for absorbing heat from the lower surface of the thermoelectric semiconductor refrigerating sheet to water in a water supply channel; and then the waste water in the heated waste water channel is sucked away, the low-temperature water body at the lower surface of the thermoelectric semiconductor refrigerating piece flows back to the waste water channel through the shower head and the current collecting plate, the upper surface of the thermoelectric semiconductor refrigerating piece is cooled again, the power is reduced to 800W, and the high-efficiency cyclic utilization of the heat energy is realized through the thermoelectric semiconductor refrigerating piece.
In a third embodiment of the present invention, a storage medium is provided, wherein the storage medium stores a computer program which can be executed for implementing the control method of the tankless electric water heater as set forth in the first embodiment of the present invention; see in particular the second embodiment described above.
In summary, the present invention provides an instant electric water heater, a control method thereof, and a storage medium, wherein the instant electric water heater includes: the flow collecting plate is used for collecting wastewater; the semiconductor heat exchange mechanism is arranged on one side of the collector plate and communicated with the collector plate. The flow collecting plate is arranged, so that waste water can be collected and guided into the semiconductor heat exchange mechanism, waste heat of the waste water is recycled, and the waste water is collected by the flow collecting plate, so that the waste water is only required to be installed on a bottom plate of a toilet, an additional pump body is not required to be configured, the toilet space is not additionally occupied, and energy is saved; through setting up semiconductor heat transfer mechanism, and then have the refrigeration simultaneously and heat the function, the operating voltage is low, requires lowly to the circuit, avoids the electric shock risk to the energy efficiency ratio is far above 1, and response speed is fast, can reach and open promptly and use promptly, does not have the scale deposit problem, and is convenient for install and maintain, and the accuse temperature is accurate, with low costs and long service life.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. An instant electric water heater, comprising:
the flow collecting plate is used for collecting wastewater;
the semiconductor heat exchange mechanism is arranged on one side of the collector plate and communicated with the collector plate.
2. The tankless electric water heater of claim 1, further characterized in that said semiconductor heat exchange mechanism comprises:
the semiconductor device comprises a heat-insulation protective shell, a semiconductor mounting cavity and a waste water channel are sequentially arranged on the heat-insulation protective shell from bottom to top, wherein the waste water channel is communicated with a flow collecting plate, and the water supply channel is provided with a water inlet and a water outlet;
the thermoelectric semiconductor refrigerating piece is arranged in the semiconductor mounting cavity;
the first temperature sensor is arranged at the water inlet;
the second temperature sensor is arranged at the water outlet;
and the flowmeter is arranged at the water outlet.
3. The tankless electric water heater of claim 2,
a water supply radiating fin is arranged in the water supply channel;
and a wastewater radiating fin is arranged in the wastewater channel.
4. The tankless electric water heater of claim 2, further comprising:
the first heat-conducting partition plate is arranged between the water supply channel and the semiconductor mounting cavity;
the second heat-conducting partition plate is arranged between the wastewater channel and the semiconductor mounting cavity;
the upper surface of the thermoelectric semiconductor refrigeration piece is in contact with the second heat-conducting partition plate, and the lower surface of the thermoelectric semiconductor refrigeration piece is in contact with the first heat-conducting partition plate.
5. The tankless electric water heater of claim 2, further characterized in that said collector plate comprises:
the flow collecting plate body is provided with a plurality of flow guide grooves and water collecting grooves connected with the flow guide grooves, and the water collecting grooves are communicated with the wastewater channel;
the adjustable supporting legs are arranged at one ends, deviating from the heat preservation protective shell, of the current collecting plate bodies.
6. The instant electric water heater according to claim 5, characterized in that the collecting plate body and the mounting surface are arranged at an angle of 0-10 °.
7. The tankless electric water heater of claim 2, further comprising: and the power supply electric control display mechanism is connected with the semiconductor heat exchange mechanism.
8. The tankless electric water heater of claim 7, further characterized in that said power electronically controlled display mechanism comprises:
the input end of the main power supply is connected with the mains supply;
the single chip microcomputer is connected with the output end of the main power supply;
the display and control assembly is connected between the output end of the main power supply and the single chip microcomputer;
one end of the power controller is connected with the semiconductor heat exchange mechanism, and the other end of the power controller is respectively connected with the output end of the main power supply and the single chip;
one end of the first temperature feedback circuit is connected between the single chip microcomputer and the semiconductor heat exchange mechanism;
one end of the second temperature feedback circuit is connected between the single chip microcomputer and the semiconductor heat exchange mechanism;
and the temperature control circuit is sequentially connected with the single chip microcomputer, the power supply controller and the semiconductor heat exchange mechanism.
9. The control method of the instant electric water heater according to any one of claims 1 to 8, comprising:
starting the instant electric water heater and setting the water outlet set temperature TSAnd obtaining the inlet water temperature T of the water inlet1；
According to the TSAnd T1Calculating Δ T1＝TS-T1；
When the said Δ T1When the value is positive, the instant electric water heater is controlled to enter a heating mode, or when the delta T is greater than the preset value1When the value is a negative value, controlling the instant electric water heater to enter a refrigeration mode;
obtaining real-time temperature T of water outlet2And outlet flow data, and according to TSAnd T2Calculating Δ T2＝TS-T1；
When the said Δ T2When the current value is positive, controlling the instant electric water heater to increase the running power according to the outlet flow data, or when the delta T is positive2And when the value is a negative value, controlling the instant electric water heater to reduce the running power according to the outlet flow data.
10. A storage medium characterized in that it stores a computer program executable for implementing the control method of the tankless electric water heater of claim 9.
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| CN202111437507.XA CN114183916A (en) | 2021-11-29 | 2021-11-29 | Instant electric water heater and control method and storage medium thereof |
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| CN202111437507.XA CN114183916A (en) | 2021-11-29 | 2021-11-29 | Instant electric water heater and control method and storage medium thereof |
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